This NordicTrack T6.5 S Treadmill drops from $899.99 to $579.99 for a limited time at Sears.com. This is the lowest price we found for this NordicTrack treadmill, which went for $600 on Black Friday. It has a foldable deck, wifi compatibility, and adjustable cushioning on the belt. You can also get the best-selling T6.5 Z version for $599.99. For either one, this is at least $200 under the next best price on any treadmill directly from Nordictrack. Order for free pickup at your local store, or get it delivered for $99. Sales tax is charged in most states.